there's john mccain and there's san francisco senator dorothy -- dianne feinstein. >> there you go. >> forgive me. i'm trying to think of all of the names i'm seeing. they are filing in. an estimated 800,000 people are barked out there waiting for their historic ceremony. the activities are tu to begin -- are due to begin at 8:30. after the president is sworn in, he will deliver his inaugural address and then there will be a parade down pennsylvania avenue. tori campbell is there. and we will be following all of the events right here for you. >>> back here in the bay area, a popular gun buyback event in marin county continues today. there will be one thing missing. the buyback part of that. tara moriarty joins us to explain. >> reporter: well, today is martin luther king, junior day, of course, the district attorney is saying because he advocated nonviolence this couldn't be more perfect timing. this is gonna be a gun surrender as opposed to last week, if we take a look at the video. you can see that people were actually getting cash for their guns. this particular event runs from 11: